unassailable
adjective
[ ʌnəˈseɪləb(ə)l ]
• unable to be attacked, questioned, or defeated.
• "an unassailable lead"
Similar:
impregnable,
invulnerable,
impenetrable,
inviolable,
invincible,
unconquerable,
unattackable,
secure,
safe,
safe and sound,
well defended,
well fortified,
fortress-like,
strong,
stout,
indestructible,
indisputable,
undeniable,
unquestionable,
incontestable,
incontrovertible,
irrefutable,
indubitable,
watertight,
sound,
conclusive,
absolute,
positive,
proven,
beyond dispute,
beyond question,
beyond doubt,
beyond a shadow of a doubt,
certain,
sure,
manifest,
patent,
obvious,
